Ensure ime adapter gets connected to RWHVA

content/browser/android/render_widget_host_connector.h

Index: content/browser/android/render_widget_host_connector.h
diff --git a/content/browser/android/render_widget_host_connector.h b/content/browser/android/render_widget_host_connector.h
index 94c2a29f8704e14b8c6ab6584990cb685f81e110..a7be9882a1dc9dab084f81e989f37e16479a4992 100644
--- a/content/browser/android/render_widget_host_connector.h
+++ b/content/browser/android/render_widget_host_connector.h
@@ -22,6 +22,9 @@ class RenderWidgetHostConnector {
   explicit RenderWidgetHostConnector(WebContents* web_contents);
   virtual ~RenderWidgetHostConnector();
 
+  // Establish initial connection to rwhva if it is present.
+  void Initialize();

[boliu, 2017/04/21 16:20:02]

this is to avoid calling virtual function in constructor? meh, this is why
composition is better than inheritance...

[Jinsuk Kim, 2017/04/21 16:30:05]

Yes that was the reason.

+
   // Method to set itself to the |new_rwhva|, and null out the reference
   // in |old_rwvha|. Example:
   //